TM 5-3810-206-35
b. Disassembly and Reassembly.
(6) Separate clevis (24) and trunnion (30) from
(1) Remove tension springs (15, fig. 5-4) and
lever (32).
links (12 and 20) from bracket (16).
(7) If necessary to replace lining, cut rivets (2, 3,
(2) Remove cotterpin (11) washer (8) and pin
4, and 5), then remove lining (1) from brake bands (6).
(10), then separate link (7) from lever (9).
(8) Reassemble propelling brakes and levers by
(3) Remove cotterpins (27) and pin (28) from
reversing procedure in steps (1) through (7) above.
levers (23 and 32).
c. Cleaning, Inspection, and Repair.
Refer to
(4) Remove cotterpins (11) and pin (22).
Separate lever (23) from lever (9).
propelling brakes and levers in a similar manner.
(5) Remove cotterpin (11) and pin (26) then
separate lever (23) from clevis (24). Remove nuts (31
and 29) from bottom of clevis (24).
Section III. CRAWLER DRIVE SHAFT
(14) Slide outboard bearing (6) from shaft (29).
5-7.
General
(15) Separate screws (35), lockwashers (2), plate
The crawler drive shafts are located at rear of crawler.
(34), bracket (33), fitting (5), and bushing (37), from
The right and left hand shafts are identical, except for
bearing (6).
the two adjusting blocks.
(16) Remove nut (22), lockwasher (21) and bolt
(7) which secures sprocket (8) to shaft (29), then press
sprocket (8) off shaft (29).
5-8.
Crawler Drive Shaft
(17) Remove fitting (5), coupling (13), and nippl e
a. Removal and Disassembly.
(12) from adjusting blocks (11 and 17).
(1) Remove crawler track (TM 5-3810-206-12).
(18) Remove bearing (4), fitting (5), and adjusting
(2) Remove propelling chain (TM 5-3810-206-
bolt (36) from bearing (6).
12).
(19) Remove bearing (10) from adjusting block
(3) Remove cotterpin (31, fig. 5-5), pin (32), and
(11).
bracket (33) from crawler frame.
(20) Remove bearing (18) from adjusting block
(4) Remove nut (38, fig. 5-6), lockwasher (36),
(17).
bolt (19), and spacer (20) from car body (54).
(5) Remove nut (27, fig. 5-5) from eyebolt (26)
b. Cleaning, Inspection, and Repair.
and slide drive sprocket (14) and shaft (29) from crawler
(1) Clean all parts and dry thoroughly.
frame.
(2) Inspect shaft, bearings, bushings, collar,
(6) Repeat steps (1) through (5) for removal of
thrustwashers, and sprocket for excessive wear, scoring,
remaining sprocket.
or other damage.
Inspect mounting hardware for
(7) Remove nut (22), lockwasher (21), and bolt
stripped threads, elongated holes, or other defect.
(19), then pull collar (20) from shaft (29).
(3) Repair by replacing damaged or excessively
(8) Slide outside adjusting block (17) and thrust
worn components.
Replace defective mounting
washer (15) from shaft (29).
hardware.
(9) Remove nut (25), lockwas her
(24),
c. Reassembly and Installation.
capscrew (16), pin (23), and eyebolt (26) from adjusting
(1) Install bearings (4, fig. 5-5) and adjusting
block (17).
bolt (36) in bearing (6). Install fitting (5).
(10) Remove nuts (27) and (28) from eyebolt
(2) Install bearing (10) in adjusting block (11).
(26).
(3) Install bearing (18) in adjusting block (17).
(11) Pull drive sprocket (14) and thrust washer
(4) Install nipple (12), coupling (18), and fitting
(15) from shaft (29), then remove key (30) from shaft
(5) in adjusting blocks (11 and 17).
(29).
(5) Install key (30) in shaft (29), then press
(12) Pull inside adjusting block (11) from shaft
sprocket (8) on shaft (29) until 6 1/2 inch distance is
(29). Repeat step (9) above.
measured from left end of shaft to edge of sprocket hub.
(13) Working from other end of shaft, remove
capscrews (11), lockwashers (2), and washer (3).
5-5
